.layui-nav-side {
    position: fixed;
    top: 59px;
    bottom: 0;
    left: 0;
    overflow-x: hidden;
    z-index: 999;
}

.msg-tab-left {
    float: left;
    width: 49%;
    text-align: center;
    color: black;
    cursor: pointer;
}

.msg-tab-box {
    left: -100px;
    width: 300px;
    display: block;
    height: 200px;
}

.msg-tab-more {
     text-align: right;
     color: black;
     margin-right: 10px;
     bottom: 5px;
     position: absolute !important;
     right: 5px;
     border-top: 1px solid #c2c2c2;
     width: 90%;
 }

.msg-tab-more label {
    cursor: pointer;
}

.msg-tab-content {
    height: 100px;
    color: black;
    padding-top: 45px;
}

.msg-tab-content ul li {
    cursor: pointer;
    /*border-bottom: 1px solid #758697;*/
}

.msg-tab-content ul li:hover {
    background-color: #ecebeb;
}

.msg-tab-active-left {
    border-top: 1px solid #c2c2c2;
    /*border-left: 1px solid #c2c2c2;*/
    border-right: 1px solid #c2c2c2;
}

.msg-tab-active-right {
    border-top: 1px solid #c2c2c2;
    border-left: 1px solid #c2c2c2;
    /*border-right: 1px solid #c2c2c2;*/
}

.msg-tab-right {
    float: right;
    width: 49%;
    text-align: center;
    color: black;
    cursor: pointer;
}